RELIABILITY DATA LTC1440 / 1441 / 1442 / 1443 / 1444 / 1445 / 1531 / 1540 / 1541 / 1542 LTC1841 / 1842 / 1842 / 1843 8/21/2006 • OPERATING LIFE TEST PACKAGE TYPE SAMPLE SIZE OLDEST DATE CODE PLASTIC DIP SOIC/SOT/MSOP 278 9526 988 9640 1,266 • PRESSURE COOKER TEST AT 15 PSIG, +121°C PACKAGE TYPE SAMPLE SIZE PLASTIC DIP SOIC/SOT/MSOP QFN/DFN 524 6,651 762 7,937 • TEMP CYCLE FROM -65°C to +150°C PACKAGE TYPE SAMPLE SIZE NEWEST DATE CODE 9540 9535 0231 9741 0604 0510 OLDEST DATE CODE NEWEST DATE CODE 300 9540 9,006 9535 540 0231 9,846 • THERMAL SHOCK FROM -65°C to +150°C SAMPLE SIZE OLDEST DATE CODE K DEVICE HOURS (1) AT +125°C 9847 0530 OLDEST DATE CODE PLASTIC DIP SOIC/SOT/MSOP QFN/DFN PACKAGE TYPE NEWEST DATE CODE 216.56 1,030.04 1,246.59 K DEVICE HOURS 14.43 554.46 201.90 770.78 K DEVICE CYCLES 9929 0604 0510 NEWEST DATE CODE 30.00 1,260.10 311.98 1,602.07 K DEVICE CYCLES PLASTIC DIP SOIC/SOT/MSOP QFN/DFN 269 9540 9741 2,455 9535 0604 388 0231 0510 3,112 (1) Assumes Activation Energy = 0.7 Electron Volts (2) Failure Rate Equivalent to +55°C, 60% Confidence Level = 9.49 FITS (3) Mean Time Between Failures in Years = 12,021 Note: 1 FIT = 1 Failure in One Billion Hours. Form: 00-03-6209B. R312 26.90 490.00 305.72 822.62 NUMBER OF (2) FAILURES 0 0 0 NUMBER OF FAILURES 0 0 0 0 NUMBER OF FAILURES 0 0 0 0 NUMBER OF FAILURES 0 0 0 0 Rev 22